Power-Related Determinants of Modified Agility T-test Performance in Male Adolescent Basketball Players

• Autores: Aaron T. Scanlan, Neal Wen, David B. Pyne, Emilija Stojanovic, Zoran Milanovic, Daniele Conte, Alejandro Vaquera Jiménez, Vincent J. Dalbo
• Localización: Journal of strength and conditioning research: the research journal of the NSCA, ISSN 1064-8011, Vol. 35, Nº. 8, 2021, págs. 2248-2254
• Idioma: inglés
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• Resumen

  • Although the Modified Agility T-test (MAT) has been advocated for assessing change-of-direction performance in basketball, the power-related attributes emphasized during the test are unknown. Therefore, the aim of this study was to identify the power-related determinants of the MAT in basketball players. A cross-sectional, descriptive research design was used whereby national- and state-level male adolescent basketball players (n = 24; 17.3 +/- 0.5 years) completed a battery of power-related performance tests. The tests administered included the MAT, isometric midthigh pull, 10-m sprint, countermovement jump, 1-step vertical jump, standing long jump, and repeated lateral bound. Associations between performance during the MAT and other tests were quantified, and performance in each test was compared between faster (>50th percentile) and slower (<50th percentile) players in the MAT. The MAT exhibited large correlations (p < 0.05) with standing long jump distance (r = -0.67, R2 = 45%), countermovement jump relative peak force (r = -0.63, R2 = 39%), isometric midthigh pull relative peak force (r = -0.55, R2 = 30%), and 10-m sprint time (r = 0.53, R2 = 28%). The faster group performed better (p < 0.05) during the standing long jump (mean difference; +/-90% confidence limits: 0.16; +/-0.12 m) and produced greater (p < 0.05) relative peak force during the isometric midthigh pull (2.5; +/-2.3 N[middle dot]kg-1) and countermovement jump (2.1; +/-1.8 N[middle dot]kg-1) than the slower group. The MAT complements other power-related tests used in basketball and stresses basketball-specific, power-related attributes in various movement planes. These data can inform training and testing approaches to optimize change-of-direction performance in basketball.